Vent cover



FIG. 1 is a front isometric view of my new design for a vent cover;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is left side view thereof. 

The ornamental design for a vent cover, as shown and described. 